Errors in building WinVNC

[Michael Sync]

Hi All,

I'm trying to build WinVNC by using VS.NET 2003.
I got the following errors..
-----------------------------------------------------------------------------
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Compiling resources...
Linking...
vncEncodeTight.obj : error LNK2019: unresolved external symbol _deflateEnd "at" 4
referenced in function "public: virtual __thiscall
vncEncodeTight::~vncEncodeTight(void)" (??1vncEncodeTight@@UAE "at" XZ)
vncEncodeZlib.obj : error LNK2001: unresolved external symbol _deflateEnd "at" 4
vncEncodeZlibHex.obj : error LNK2001: unresolved external symbol
_deflateEnd "at" 4
vncEncodeTight.obj : error LNK2019: unresolved external symbol _deflate "at" 8
referenced in function "protected: int __thiscall
vncEncodeTight::CompressData(unsigned char *,int,int,int,int)"
(?CompressData "at" vncEncodeTight@@IAEHPAEHHHH "at" Z)
vncEncodeZlib.obj : error LNK2001: unresolved external symbol _deflate "at" 8
vncEncodeZlibHex.obj : error LNK2001: unresolved external symbol _deflate "at" 8
vncEncodeTight.obj : error LNK2019: unresolved external symbol
_deflateParams "at" 12 referenced in function "protected: int __thiscall
vncEncodeTight::CompressData(unsigned char *,int,int,int,int)"
(?CompressData "at" vncEncodeTight@@IAEHPAEHHHH "at" Z)
vncEncodeTight.obj : error LNK2019: unresolved external symbol
_deflateInit2_ "at" 32 referenced in function "protected: int __thiscall
vncEncodeTight::CompressData(unsigned char *,int,int,int,int)"
(?CompressData "at" vncEncodeTight@@IAEHPAEHHHH "at" Z)
vncEncodeZlib.obj : error LNK2001: unresolved external symbol
_deflateInit2_ "at" 32
vncEncodeZlibHex.obj : error LNK2001: unresolved external symbol
_deflateInit2_ "at" 32
-----------------------------------------------------------------------------
------------------

I can successfully build vncviewer using .NET 2003.
Any Idea for this problem?
Thanks...